Question about Cars & Trucks
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Posted on Jan 02, 2017
u didn't say what engine, but check out this site, I believe it will be very helpful as to what u are looking for-
go to 'autozone.com select year make, engine, etc, click on 'repair manual' then driveability and emissions control, then to 'vacuum', they have a bunch of diagrams that will keep u busy. If u have any trouble finding it, let me know.
Posted on Oct 24, 2008
SOURCE: Chevy 454 back fire
Ignition timing is set by the computer as long as the distributor pickup point is within reason.
It could be running too lean. One of the TBI injectors may be sticking or not working (wiring or computer problem), or fuel pressure could be low.
Posted on May 21, 2009
if it is push button then it is electrical problem if it is level operated its mechanical. im pretty sure there would be no vacuum lines involved here.. i really cant help because your not telling me if it makes any noise when trying to engage or anything like that
Posted on Aug 03, 2009
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